GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256afd5fb5c21e24bb4aaccf3efb49a9a4885f4593cd326d497b32fb4eb7a9626f3
MD548751f7dac6b12c8df9b42077ea12caa
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Nameafd5fb5c21e24bb4aaccf3efb49a9a4885f4593cd326d497b32fb4eb7a9626f3
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: afd5fb5c21e24bb4aaccf3efb49a9a4885f4593cd326d497b32fb4eb7a9626f3
  • MD5: 48751f7dac6b12c8df9b42077ea12caa

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Do not pay the ransom — there is no guarantee your files will be restored
  3. Quarantine the affected drives
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Try available decryptor tools (the NoMoreRansom project)
  6. Report the incident to the authorities (cybercrime unit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA Rule Hints

rule GandCrab_SHA256 {
    meta:
        description = "GandCrab sample: afd5fb5c21e24bb4"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "afd5fb5c21e24bb4aaccf3efb49a9a4885f4593cd326d497b32fb4eb7a9626f3"
}

GandCrab — Malware Profile

GandCrab, 2018-2019 aktif RaaS ailesidir. 1.5 milyar USD hasar. RSA+Salsa20. Haziran 2019 kapandi. REvil oncusu.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows

Capabilities & Behavior

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

IOC List (2 indicators)

IOC — GandCrab
# SHA256 afd5fb5c21e24bb4aaccf3efb49a9a4885f4593cd326d497b32fb4eb7a9626f3 # MD5 48751f7dac6b12c8df9b42077ea12caa
TypeValueNote
sha256 afd5fb5c21e24bb4aaccf3efb49a9a4885f4593cd326d497b32fb4eb7a9626f3 Sample:GandCrab
md5 48751f7dac6b12c8df9b42077ea12caa Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi